Patent US2714253A successfully refreshed from Google Patents.
US5280069A
Expired / Lapsed
US
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N-glycidyl compound
Assignee: Huntsman Advanced Materials Americas LLC
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Filing: 1991-04-30
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Granted: 1994-01-18
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Expires: 2011-04-30
Abstract
Abstract The new compound N,N,N'N'-tetraglycidyl-3,3'-diethyl-4,4'-diaminodiphenylmethane and curable resin compositions containing it.
Inventors
- 👤 Bryan Dobinson
- 👤 Michael R. Thoseby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:19
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/36; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/32; C08G59/3227
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
27 words
A curable resin composition comprising: a) an epoxide resin component consisting essentially of the pure specific compound N,N,N',N'-tetraglycidyl-3,3'-diethyl-4,4'-diaminophenylmethane; b) a hardener; and optionally, c) a curing accelerator.
Claim 2
Dependent Claim
27 words
A curable resin composition comprising: a) an epoxide resin component consisting essentially of the pure specific compound N,N,N',N'-tetraglycidyl-3,3'-diethyl-4,4'-diaminophenylmethane; b) a hardener; and optionally, c) a curing accelerator.
Claim 3
Dependent Claim
27 words
A composition according to claim 1, in which component b) is a nitrogen-containing compound which remains inert towards N,N,N',N'-tetraglycidyl-3,3'-diethyl-4,4'-diaminodiphenylmethane below a temperature of at least 80° C.
Claim 4
Dependent Claim
22 words
A composition according to claim 2 in which component b) remains inert towards N,N,N',N'-tetraglycidyl-3,3'-diethyl-4,4'-diaminodiphenylmethane below a temperature of at least 100° C.
Claim 5
Dependent Claim
33 words
A composition according to claim 1 in which component b) is a boron trichloride/amine or boron trifluoride/amine complex; dicyandiamide; melamine; diallymelamine; a guanamine; an aminotriazole; a hydrazide; semicarbazide; cyanoacetamide; or an aromatic polyamine.
Claim 6
Dependent Claim
32 words
A composition according to claim 4 in which the guanamine is acetoguanamine or benzoguanamine; the aminotriazole is 3-amino-1,2,4-triazole; the hydrazide is adipic-, stearic- or isophthalic hydrazide; and the aromatic polyamine is diaminodiphenylsulphone.
Claim 7
Dependent Claim
19 words
A composition according to claim 1 in which component b) is a polycarboxylic acid or a polycarboxylic acid anhydride.
Claim 8
Dependent Claim
19 words
A composition according to claim 6 in which the polycarboxylic acid anhydride is hexahydrophthalic anhydride or methyl tetrahydrophthalic anhydride.
Claim 9
Dependent Claim
29 words
A composition according to claim 1 in which the curable resin composition contains 1 to 60 wt. %, of hardener component b) based on the amount of component a).
Claim 10
Dependent Claim
29 words
A composition according to claim 8 in which the curable resin composition contains 5 to 50 wt. % of hardener component b), based on the amount of component a).
Claim 11
Dependent Claim
28 words
A composition according to claim 1 in which the curable resin composition contains 0 to 15 wt. % of component c), based on the weight of component a).
Claim 12
Dependent Claim
28 words
A composition according to claim 10 in which the curable resin composition contains 0 to 10 wt. % of component c), based on the weight of component a).
Claim 13
Dependent Claim
23 words
A composition according to claim 1 in which one or more of plasticizer, an inert diluent or a reactive diluent are also present.
Claim 14
Dependent Claim
37 words
A composition according to claim 1 in which one or more of a filler, a reinforcing material, a polymeric toughening agent, a colouring agent, a flow-control agent, a flame retardant or a mould lubricant is also present.
Claim 15
Dependent Claim
30 words
A laminating-, impregnating- or casting resin, a powder coating, a moulding composition, a putty or sealing compound, or a potting or electrically insulating compound comprising the composition of claim 1.
Claim 16
Dependent Claim
26 words
A composition according to claim 1, in which the curing accelerator is present and is a latent Lewis acid complex, a base or a latent base.
Claim 17
Dependent Claim
32 words
A composition according to claim 15, in which the curing accelerator is a BF 3 -amine complex; a substituted urea; or a tertiary amine or a complex thereof with BCl 3 .
Claim 18
Dependent Claim
27 words
A composition according to claim 16, in which the BF 3 -amine complex is a BF 3 -ethylamine complex and the substituted urea is monuron or chlortoluron.
Claim 19
Dependent Claim
55 words
A composition according to claim 15, in which the curing accelerator is a solid solution of a nitrogen base having a boiling point above 130° C. and a phenolic polymer which is an addition polymer of a phenol bearing an unsaturated substituent; or a reaction product of a nitrogen base and a halogen-substituted monomeric phenol.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-01-17 | 1997-07-19 | 1998-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-01-17 | 2001-07-19 | 2002-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-01-17 | 2005-07-19 | 2006-01-18 | $7700.00 | Window Closed / Lapsed |